BE855146A - Procede de preparation de chlorures d'acides carbamiques et d'isocyanates - Google Patents
Procede de preparation de chlorures d'acides carbamiques et d'isocyanatesInfo
- Publication number
- BE855146A BE855146A BE177999A BE177999A BE855146A BE 855146 A BE855146 A BE 855146A BE 177999 A BE177999 A BE 177999A BE 177999 A BE177999 A BE 177999A BE 855146 A BE855146 A BE 855146A
- Authority
- BE
- Belgium
- Prior art keywords
- isocyanates
- carbamic acids
- chlorides
- preparing
- preparing chlorides
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762625075 DE2625075A1 (de) | 1976-06-04 | 1976-06-04 | Verfahren zur herstellung von carbamidsaeurechloriden und isocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
BE855146A true BE855146A (fr) | 1977-11-28 |
Family
ID=5979782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE177999A BE855146A (fr) | 1976-06-04 | 1977-05-27 | Procede de preparation de chlorures d'acides carbamiques et d'isocyanates |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE855146A (de) |
DE (1) | DE2625075A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108990A1 (de) | 1981-03-10 | 1982-09-23 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyisocyanaten |
JPH068269B2 (ja) * | 1984-06-01 | 1994-02-02 | 三井東圧化学株式会社 | ヘキサメチレンジイソシアネ−トの製造方法 |
FR2677017B1 (fr) * | 1991-05-27 | 1993-08-13 | Poudres & Explosifs Ste Nale | Procede de preparation de chlorures de carbamoyle aliphatiques ou araliphatiques n,n-disubstitues. |
US8044166B2 (en) | 2006-08-01 | 2011-10-25 | Basf Aktiengesellschaft | Process for preparing pentamethylene 1,5-diisocyanate |
KR102547793B1 (ko) | 2014-09-19 | 2023-06-26 | 코베스트로 도이칠란트 아게 | 1,5-펜탄디이소시아네이트의 기체상 제조 방법 |
CN114105825A (zh) | 2020-08-27 | 2022-03-01 | 中国科学院过程工程研究所 | 一种1,5-戊二异氰酸酯的制备方法 |
-
1976
- 1976-06-04 DE DE19762625075 patent/DE2625075A1/de active Pending
-
1977
- 1977-05-27 BE BE177999A patent/BE855146A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2625075A1 (de) | 1977-12-22 |
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